Argon arc welding machine is not gas ignition what happened?
Check the control switch and the circuit is short, if not, then look inside a gap is too large surface is clean. No problem, according to the line has been checked. Some welding machines are set up without air flow and arc free. If the arc striking device is striking the arc, check the gun belt.
The bottom line is not connected or the manual switch is out of order, and the manual switch is often broken
If you press the switch with air, the control section is good. Do the following:1, wire or handle line is connected and the ground wire and the handle line is intact without virtual connection;2, the earth and the workpiece is virtual;3, handle the workpiece on ignition distance is appropriate;4, turn off the gas to see if there is a squeaking sound or electric column (and lightning almost), there is no high frequency arc ignition, and have to open gas try